package com.c8a.order.controller;

import com.c8a.commons.common.CommonResult;
import com.c8a.commons.entity.Payment;
import com.c8a.order.lb.LoadBalancer;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import javax.annotation.Resource;
import java.net.URI;
import java.util.List;

/**
 * @Author: c8a
 * @Date: 2022-04-04 18:17
 * @Email: 1912327276@qq.com
 */

@Slf4j
@RestController
public class OrderController {

    //public static final String PAYMENT_URL = "http://localhost:8001";
//    public static final String PAYMENT_URL = "http://CLOUD-PAYMENT-SERVICE";

    @Resource
    private RestTemplate restTemplate;

    @Resource
    private LoadBalancer loadBalancer;

    @Resource
    private DiscoveryClient discoveryClient;

    // ====================> zipkin+sleuth
    @GetMapping("/consumer/payment/zipkin")
    public String paymentZipkin() {
        String result = restTemplate.getForObject("http://localhost:8001" + "/payment/zipkin/", String.class);
        return result;
    }

    @GetMapping(value = "/consumer/payment/lb")
    public String getPaymentLB() {
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");

        if (instances == null || instances.size() <= 0) {
            return null;
        }

        ServiceInstance serviceInstance = loadBalancer.instances(instances);
        URI uri = serviceInstance.getUri();

        return restTemplate.getForObject(uri + "/payment/lb", String.class);

    }


//    @GetMapping("/consumer/payment/create")
//    public CommonResult<Payment> create(Payment payment) {
//
//        return restTemplate.postForObject(PAYMENT_URL + "/payment/create", payment, CommonResult.class);
//    }
//
//    @GetMapping("/consumer/payment/get/{id}")
//    public CommonResult<Payment> getPayment(@PathVariable("id") Long id) {
//        return restTemplate.getForObject(PAYMENT_URL + "/payment/get/" + id, CommonResult.class);
//    }
}